package collection;

import java.util.ArrayList;
import java.util.List;

public class ListDemo1 {
    public static void main(String[] args) {
        List<String> list = new ArrayList<>();
        list.add("one");
        list.add("two");
        list.add("three");
        list.add("four");
        list.add("five");
        System.out.println("list:"+list);

        String e = list.get(3);
        System.out.println(e);
        for(int i=0;i<list.size();i++){
            System.out.println(list.get(i));
        }
        System.out.println("------------");

        list.set(2,"six");//将下标为2的元素设置为six

        System.out.println("list:"+list);
    }
}
